Input and Output Functions
Apart from 'cin' and 'cout', there are many other functions we can use to perform input/output operations.
Input
You can read in C++ in two way from the input stream: Formatted with the extractor >>
and unformatted with explicit methods.
Formatted Input
The extraction operator >>
- is predefined for all built-in types and strings,
- can be implemented for user-defined data types,
- can be configured by format specifiers.
...🔑 std::cin ignores by default leading whitespace
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